CA1047311A - Fluid operated hydraulic pump - Google Patents

Fluid operated hydraulic pump

Info

Publication number
CA1047311A
CA1047311A CA284,325A CA284325A CA1047311A CA 1047311 A CA1047311 A CA 1047311A CA 284325 A CA284325 A CA 284325A CA 1047311 A CA1047311 A CA 1047311A
Authority
CA
Canada
Prior art keywords
motor
fluid
valve poppet
exhaust
bore
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA284,325A
Other languages
English (en)
French (fr)
Inventor
Douglas P. Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enerpac Tool Group Corp
Original Assignee
Applied Power Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Applied Power Inc filed Critical Applied Power Inc
Application granted granted Critical
Publication of CA1047311A publication Critical patent/CA1047311A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/127—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
    • F01B11/007—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type in which the movement in only one direction is obtained by a single acting piston motor, e.g. with actuation in the other direction by spring means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F01L25/066—Arrangements with main and auxiliary valves, at least one of them being fluid-driven piston or piston-rod being used as auxiliary valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/24—Bypassing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
CA284,325A 1976-08-25 1977-08-09 Fluid operated hydraulic pump Expired CA1047311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/717,748 US4074612A (en) 1976-08-25 1976-08-25 Fluid operated hydraulic pump

Publications (1)

Publication Number Publication Date
CA1047311A true CA1047311A (en) 1979-01-30

Family

ID=24883303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284,325A Expired CA1047311A (en) 1976-08-25 1977-08-09 Fluid operated hydraulic pump

Country Status (11)

Country Link
US (1) US4074612A ( )
JP (1) JPS5327104A ( )
AU (1) AU504790B2 ( )
BR (1) BR7705348A ( )
CA (1) CA1047311A ( )
DE (1) DE2738176A1 ( )
FR (1) FR2363007A1 ( )
GB (1) GB1547674A ( )
IT (1) IT1079438B ( )
MX (1) MX144726A ( )
SE (1) SE7709322L ( )

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166410A (en) * 1977-09-26 1979-09-04 Edward Bleiweiss Pneumatic motor
WO1983000539A1 (en) * 1981-08-13 1983-02-17 Balkau, Guenter, Karl, Willi Reciprocatory piston and cylinder machine
FR2585769B1 (fr) * 1985-08-01 1990-08-31 Malherbe Andre Dispositif de production d'energie mecanique continue par moyens pyrotechniques
DE4111196A1 (de) * 1991-04-06 1992-10-08 Schmidt & Co Gmbh Kranz Druckerzeugungsanlage
US5309713A (en) * 1992-05-06 1994-05-10 Vassallo Franklin A Compressed gas engine and method of operating same
US5341723A (en) * 1993-04-20 1994-08-30 Michael Hung Reciprocating pneumatic motor for hydraulics
US5782158A (en) * 1996-09-20 1998-07-21 Applied Power Inc. Air operated hydraulic torque wrench pump
US6910542B1 (en) * 2001-01-09 2005-06-28 Lewal Drilling Ltd. Acoustic flow pulsing apparatus and method for drill string
US6860727B2 (en) * 2002-12-12 2005-03-01 Tai Lio Enterprise Co., Ltd. Air actuated hydraulic pump
CN2856477Y (zh) * 2006-07-13 2007-01-10 孔照根 柱塞式气泵改良结构
DE112007002818B4 (de) 2006-11-21 2016-03-24 Actuant Corporation LUFTBETRIEBENE HYDRAULIKPUMPE MIT FUßBETÄTIGTEM LUFT- UND HYDRAULIKVENTIL
WO2010005896A1 (en) * 2008-07-08 2010-01-14 Parker-Hannifin Corporation High pressure intensifier system
CN102822522B (zh) * 2010-01-29 2015-03-25 英格索尔-兰德公司 装有陶瓷阀的空气马达
US20110202063A1 (en) * 2010-02-15 2011-08-18 Freddy Bonnin Apparatus for delivery of viscous material during surgery
TWI502132B (zh) * 2011-07-08 2015-10-01 Wen San Chou Air compressor
US8714193B2 (en) * 2011-07-14 2014-05-06 National Oilwell Varco, L.P. Poppet valve with integrated dampener
EP2986809B1 (en) 2013-04-18 2019-12-18 National Oilwell Varco, L.P. Poppet valve with variable dampener and elastically supported guide
CN105090145B (zh) * 2014-05-08 2017-06-13 宁夏巨能机器人系统有限公司 一种机械手气压驱动装置
JP5913510B1 (ja) * 2014-09-26 2016-04-27 株式会社小金井精機製作所 ディーゼルポンプ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041975A (en) * 1960-05-26 1962-07-03 Applied Power Ind Inc Fluid actuated hydraulic power unit
US3561325A (en) * 1969-01-24 1971-02-09 Merla Inc Reciprocating motor

Also Published As

Publication number Publication date
AU504790B2 (en) 1979-10-25
AU2744477A (en) 1979-02-01
DE2738176A1 (de) 1978-03-02
IT1079438B (it) 1985-05-13
FR2363007A1 (fr) 1978-03-24
US4074612A (en) 1978-02-21
BR7705348A (pt) 1978-05-23
JPS5327104A (en) 1978-03-14
MX144726A (es) 1981-11-18
GB1547674A (en) 1979-06-27
SE7709322L (sv) 1978-02-26

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